CVE-2023-39533
Large RSA keys can cause high resource usage in github.com/libp2p/go-libp2p
7.5
HIGH
CVSS 3.1
EPSS 0.13%
Description
Large RSA keys can lead to resource exhaustion attacks. With fix, the size of RSA keys transmitted during handshakes is restricted to <= 8192 bits.
How to fix CVE-2023-39533
To remediate CVE-2023-39533, upgrade the affected package to a fixed version below.
- Go/github.com/libp2p/go-libp2p—upgrade to 0.27.8 or later
- —upgrade to 0.27.8 or later
Is CVE-2023-39533 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.27.8
- from 0, < 0.27.8, >= 0.28.0, < 0.28.2, >= 0.29.0, < 0.29.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |